CVE-2021-3611

MEDIUM
6.5
CVSS Score
Published: May 11, 2022 at 03:23 PM UTC
Updated: June 17, 2026 at 04:05 AM UTC
2 products affected across 2 vendorsEnterprise LinuxQEMU

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.5%

Description

A stack overflow vulnerability was found in the Intel HD Audio device (intel-hda) of QEMU. A malicious guest could use this flaw to crash the QEMU process on the host, resulting in a denial of service condition. The highest threat from this vulnerability is to system availability. This flaw affects QEMU versions prior to 7.0.0.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 7.0.0
Affected range stops below 7.0.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (4)

x_refsource_MISCIssue TrackingMitigationThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1973784
x_refsource_MISCExploitThird Party Advisory
https://gitlab.com/qemu-project/qemu/-/issues/542
Vendor Advisoryx_refsource_GENTOOThird Party Advisory
https://security.gentoo.org/glsa/202208-27

CVSS

Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
CHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-119CWE-787

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